Top new questions this week:
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It has been my belief that one of the nice features of the original Atari ST is that it has support "out-of-the-box" for a hard disk drive connected via its built-in ACSI port- similar to ...
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I'm trying to determine which was the first purely software company to launch an IPO on a major stock exchange. By this I mean a company whose revenue comes directly from software unit sales, rather ...
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This has always confused me. Why can you not directly obtain the IP, and instead have to go through some odd assembly hoops such as calling a function whose only purpose is to push its own return ...
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I have inherited a Psion PDA Series 5, from 1997, along with a serial port RS232 cable, and power supply. It takes industry standard Compact Flash cards, which can be removed and used to transfer ...
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Setting aside the fact that the Model M keyboard is still made by Unicomp, which keyboard did IBM market as the successor to their Model M (aka "Enhanced") keyboard? My understanding is that ...
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I just learned from a YouTube video that in Japan there was an add-on for the original Nintendo Famicom console that included a keyboard (HVC-007) and compact cassette tape player & recorder (HVC-...
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Greatest hits from previous weeks:
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In nearly all the assembly source files and published listings I read up to the early 1980s, the labels, mnemonics, and operands were written in all uppercase. Just a few years later, I noticed 80x86 ...
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The term User for computer hardware and software customers has been universal for as long as I can remember. It has always applied to both hardware and software customers - There were "Lotus Users" ...
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Cellphone / Telephone have the seven bottom-left and the one top-left.
While the keyboard has the seven top-left and the one bottom-left
How did this come to be? Is there an interesting computing ...
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I'm taking a look at the chapter on sprites from a NES programming guide at famicom.party. There is a little table which describes what the different sprite attribute flags do;
7 Flips sprite ...
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The cartridge of Sonic & Knuckles is a little special:
It flips open to allow you to connect another Sega Mega Drive (Genesis in US) cartridge to the top of it like so:
I know why the Sega ...
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When reading techy articles about older Windows versions I often come across the term "Virtual machine". Apparently even Windows 3.11 had some sort of virtual-machine-thing going on in it, ...
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IBM released the IBM 5150 Technical Reference manual in August, 1981, and included in it the fully commented source code listing for the BIOS. I find this odd for two reasons:
IBM must have realized ...
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